PDF malware analysis — malicious · b18fa73263de3ae9

MALICIOUS

PDF

34.0 KB Created: 2020-08-03 08:08:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3ce7463bb17de799866bfdd21fdbe1dc SHA-1: bd6241a468acd9274249f5c9f1b22b65b67d821e SHA-256: b18fa73263de3ae9c6c04bd90692f003a32de122e4aa0948d1df5c5fd1531d8d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=take+five+alto+sax+pdf. The document body appears to be corrupted or obfuscated, but the presence of numerous links suggests a link farm or redirection attack. No scripts were extracted from this sample.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ttraff.cc/pify?keyword=take+five+alto+sax+pdf
- http://files.diagnosingdifference.com/uploads/1/3/1/8/131871416/fb8a018.pdf
- http://files.4055nelsonavenue.com/uploads/1/3/2/7/132740291/5943184.pdf
- http://files.hanahwprintmaker.com/uploads/1/3/0/7/130775129/vunado_wawazupoxekipe.pdf
- http://files.ikargb.co.uk/uploads/1/3/1/4/131409170/c416f2d8c877.pdf
- https://cdn.shopify.com/s/files/1/0433/4200/4375/files/68571886120.pdf
- https://cdn.shopify.com/s/files/1/0436/3550/7358/files/77377218102.pdf
- https://cdn.shopify.com/s/files/1/0431/3782/6973/files/vunusigenul.pdf
- https://cdn.shopify.com/s/files/1/0430/5335/1066/files/20064372653.pdf
- https://cdn.shopify.com/s/files/1/0434/2631/6455/files/gajuzur.pdf
- https://cdn.shopify.com/s/files/1/0432/9163/9966/files/folevejozogifujo.pdf
- https://cdn.shopify.com/s/files/1/0432/3213/3278/files/jumofukamex.pdf
- https://cdn.shopify.com/s/files/1/0433/8152/2599/files/mejuvomimariwaxokol.pdf
- https://cdn.shopify.com/s/files/1/0441/1208/5144/files/nasaligaxokabobafaj.pdf
- https://cdn.shopify.com/s/files/1/0433/1008/8360/files/89231645499.pdf
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/81242430093.pdf
- https://cdn.shopify.com/s/files/1/0433/1733/0075/files/fozusorabodenipumomegowuz.pdf
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/49217554640.pdf
- https://cdn.shopify.com/s/files/1/0440/5864/0534/files/87379957433.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004725.bin` `ccefc5c37ae3f181809e9ea41a12340f6e6412a0a1ddf165d5a8ffae1afb0894`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4725	5080 bytes
`font_01_sfnt_off00005898.bin` `888a7d22d9fab8694e38ac98bba47b32c6ed3bdcc4fcb21d48946f2efe70432b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5898	9852 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.